Growing word game

Hey, I saw this on another forum. The thread starts off with a person posting a one letter word, then the next person adds a letter, it carries on with people adding, removing and changing letters to make new words.

E.g:

a
an
in
it
bit
bite
mite
smite
etc…

Rules:
You can only add or remove one letter, for words up to 5 letters you can change one letter, above 5 letters you can change two!
EDIT: If you change a letter, you can use an anagram of the word!

Let’s start!

I’ll go with:

I